JAKARTA - Deputy Governor of DKI Jakarta Rano Karno estimates that the area that has the potential to experience road collapse not only occurs on Lenteng Agung Street, South Jakarta. With the same condition, road collapse can also occur in other areas.
"This means that my note, it may not just be in those areas. Because this is a water discharge that we don't know, wallahualam will happen in Jakarta," said Rano at the Bundaran HI area, Central Jakarta, Friday, May 29 night.
Rano admitted that the capacity and number of officers in the field were not sufficient to monitor the condition of the infrastructure that had to be handled. Therefore, Rano thanked the residents who helped inform the incident.
Furthermore, Rano emphasized that the DKI Provincial Government had carried out temporary handling since the incident occurred. The DKI Jakarta Water Resources and Road Construction Services have been ordered to close the water channel using steel plates, before permanent repairs are carried out.
"That's why the sinkhole yesterday from the evening I've contacted the water resources service to immediately handle it. It's just that when you look at it, it requires heavy equipment because it's impossible not to dredge it," said Rano.
"But thank God today is not perfect, but at least it can increase the frequency of travel, it does not become smaller because we close it with steel plates, that, it helps the journey," he said.
Lenteng Agung Highway towards Depok, South Jakarta, collapsed on Thursday, May 28, causing severe congestion in the area. Two lanes of the road near Gang Empang, in front of the Alpino Exhaust Workshop, cannot be crossed by vehicles.
As a result, traffic jams were caused by the flow of vehicles towards the University of Indonesia (UI) and Depok being hampered by the narrowing of the road. The DKI Jakarta Provincial Government also implemented traffic engineering to disperse the density while maintaining the safety of road users.
For the time being, the rightmost lane is still open for two-wheeled vehicles. Meanwhile, four-wheeled vehicles for Depok are diverted to turn around at the Pancasila University Railway Crossing.
The four-wheeled vehicle was then directed through Jalan Lenteng Agung Barat, Jalan Kahfi II, Jalan Tanah Baru until it headed to Depok Sawangan. Meanwhile, heavy-tonnage vehicles were diverted from Simpang TB Simatupang to Depok-Antasari Toll Road or through Jalan Raya Bogor and Jagorawi Toll Road.
In fact, the road damage was actually detected since Wednesday, May 27. At that time, the South Jakarta Regional Office of Road Construction had carried out initial handling using coldmix material before the road condition finally deteriorated.
Head of the South Jakarta Water Resources Sub-Office, Santo, revealed that under the Lenteng Agung Highway there was a UI connecting channel (PHB) crossing in the form of a honk or old channel.
"The road with a width of about 3 meters is suspected to have occurred due to damage to the construction of the water channel which is under the road body. The channel is an old infrastructure that has experienced a decrease in construction conditions due to the rainy season," said Santo.
As an emergency handling, the Department of Public Works closed the part of the road that was crumbling using a temporary steel plate on Friday morning. Heavy equipment has also been deployed to the location to speed up the repair process.
Permanent repairs are scheduled to begin on Friday evening so as not to exacerbate congestion during rush hours. The SDA will replace the old channel construction with a 2-meter-wide concrete box culvert along 16 meters.
"The work is expected to last 2-3 days," said Santo.
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